JExcel LITE Features

Excel like UI with in-place edition and issue creationYou can edit all the cells (issue fields) inline
Excel like filtering and sortingYou can filter and sort without JQL knowledge just like in MS Excel
Copy-paste issues and values (internally and to/from MS Excel)

You can copy paste values or even whole issues internally and also to/from MS Excel

Hide/Display columnsIt lets every user have a unique view of their workbook without affecting other users of the given workbook
Data barsWith data bars, you can visualize your numeric columns.
Aggregates rowSee the Minimum, Maximum, Average or Sum of each numeric column
Average/Count/Sum of the selected cellsYou can see the Average/Count/Sum of selected cells just like in MS Excel
Column renaming and resizingYou can rename and resize any column
Column freezeYou can freeze columns
Tab colouringYou can colour the title of your workbooks
Flag rows (like in MS Outlook)You can flag issues like in MS Outlook
No. of Comments and Attachments columns

You can see the number of Comments and Attachments for an issue in 2 special JExcel columns